that what everything mitt romney could have wanted to get out of that debate, he got out of this debate and if he has gotten his potential supporters more enthusiastic about going out to the polls and that's what this reflects, that's very good for mitt romney. >> so, cornell, jump in with the difference between likely voters and registered voters, there is a difference in the wording. he's leading over, romney's leading overall in this survey among the likely voters. gallup also out today though with a poll among registered voters and that's different. that has a poll where we see obama leading by five points, so walk me through it. is there such a big difference, when i get that phone call, i'm probably hearing my kid screaming in the background, so i won't hear the difference. what is the difference? >> i love that we're getting in the weeds of polling now. there's a couple of things. each polling sort of public polling has their own art and science to likely voting and it is pretty much an art as it is a science a. lot of people had the art wrong going into the late primaries. that'